for t"the situation room"withwolfblitzer. >>>happening now, new questions about the sex scandal that toppled the cia director. why did a republican congressman now about it before the white house? >>> also, new information about the woman at the center of the storm. her past makes the present all the more shocking. >>> plus, a crack, a serious crack in republican opposition to raising tax rates on the rich. a leading conservative now seems to be opening the door. i'm wolf blitzer. you're in "the situation room." >>> intriguing new twists and turns in the scandal that's gripping washington, indeed the nation and much of the world. the affair that led general dividend petraeus to resign as director of the central intelligence agency. we're finding out that at least one lawmaker here in washington may have learned of it ahead of the president and there are questions about the investigation that led to petraeus' stunning downfall. brian todd's been working the story for us and getting new information. brian, tell our viewers what's the latest? >> we found out that the house majority

blitzer. wolf? >>ted, thanks very much. happening now. another top commander in a widening scandal swirling around general david petraeus. john allen is now the subject of a pentagon investigation. it centers around hundreds, possibly thousands of e-mails sent to this woman. details of where she fits into an increasingly tangled web of relationships. i'll talk about all of this with the chair of the senate intelligence committee. dianne feinstein says it is like something off the front page of a tab roid mloid magazine and s demanding answers. i'm wolf blitzer and you're in "the situation room." >>> we begin with stunning twists in the scandal that brought down the head of the cia, general david petraeus. another u.s. general is caught in the same tangled web. john allen, top commander in afghanistan, is being investigated by the pentagon for allegedly sending inappropriate e-mails to a married woman, the same woman whose complaint of threatening e-mails from general petraeus' lover cracked the scandal wide open. barbara starr is trying to sort this out for us. it is rather complic